A symbolic approach to qualitative kinematics
نویسندگان
چکیده
منابع مشابه
A Symbolic Approach to Qualitative Kinematics
An important problem for mechanism design and analysis is reasoning about the relationship between object shapes and their kinematic function. Such reasoning is difficult because of the unstructured influence of the shapes’ metric dimensions. In this paper, we show how a qualitative kinematic analysis can be based solely on symbolic reasoning and evaluation of predicates on metric dimensions. T...
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The apparently weak properties of a qualitative algebra have lead some to conclude that we must turn instead to extra-mathematical properties of physical systems . We propose instead that a more powerful qualitative algebra is needed, one that merges the algebras on signs and reals . We have invented a hybrid algebra, called Q1, allows us to select abstractions intermediate between traditional ...
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Qualitative spatial reasoning has seen little progress This paper attempts to explain why We provide a framework for qualitative kinematics (QK), qualitative spatial reasoning about motion We propose that no general-purpose, purely qualitative kinematics exists. We propose instead the MD/PV model of spatial reasoning, which combines the power of diagrams with qualitative representations Next we...
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The aim of this study is to show that the measures derived from Electrocardiogram (ECG) signals many a time perform better than the same measures obtained from heart rate (HR) signals. A comparison was made to investigate how far the nonlinear symbolic dynamics approach helps to characterize the nonlinear properties of ECG signals and HR signals, and thereby discriminate between normal and cong...
متن کاملA New Approach to Detect Congestive Heart Failure Using Symbolic Dynamics Analysis of Electrocardiogram Signal
The aim of this study is to show that the measures derived from Electrocardiogram (ECG) signals many a time perform better than the same measures obtained from heart rate (HR) signals. A comparison was made to investigate how far the nonlinear symbolic dynamics approach helps to characterize the nonlinear properties of ECG signals and HR signals, and thereby discriminate between normal and cong...
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ژورنال
عنوان ژورنال: Artificial Intelligence
سال: 1992
ISSN: 0004-3702
DOI: 10.1016/0004-3702(92)90025-s